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Novarvm observationvm physico-mathematicarvm (1647)

Mersenne, Marin, 1588-1648 · Parisiis : Sumptibus Antonii Bertier ... · leaf 72

An illustration from Novarvm observationvm physico-mathematicarvm, 1647, leaf 72
bo. cum periodicus con[let tantim 365.di.5. bo. 4.9. mi.civciter: Quo fit Yt /Bquinoctia ciuilia non comcidant fingulis anms cum periodicis, fed hac periodica precedant,qua pracefeio $patio 400. amnorum excurrit ad tres dies J4[lvonomicos circiter. Fic. auteza occafionem babuit. Gre- oriana… … remanet parallelus, ( remanet autem, faltem ad fenfum , per to- tum annum ) eifdem Stellas fixas refpiciat quas ipfa H A L fiue eadem pun&a firmamenti. (loquimur femperadfenfum ) Nam- que etiamfi magna fit diameter orbis annui BCDE, ita vt du&z, per puncta B, C, D; E, & fimilia, re&z ipfi HAI…

Astronomy -- Early works to 1800 · Physics -- Early works to 1800

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